ad_libmad.mid

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· MID 代码 · 共 722 行

	.file	1 "ad_libmad.c"
	.section .mdebug.abi32
	.previous
	.section	.text.func_table,"ax",@progbits
	.align	2
	.align	5
	.globl	func_table
	.ent	func_table
	.type	func_table, @function
func_table:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lui	$2,%hi(mpcodecs_ad_libmad)
	j	$31
	addiu	$2,$2,%lo(mpcodecs_ad_libmad)

	.set	macro
	.set	reorder
	.end	func_table
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"libmad: %d bytes processed\012\000"
	.section	.text.read_frame,"ax",@progbits
	.align	2
	.align	5
	.ent	read_frame
	.type	read_frame, @function
read_frame:
	.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
	.mask	0x803f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$17,20($sp)
	sw	$31,40($sp)
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$16,16($sp)
	lw	$19,160($4)
	move	$17,$4
	addiu	$20,$19,13324
	addiu	$21,$19,13388
$L4:
	lw	$2,56($17)
	lw	$5,52($17)
	lw	$6,60($17)
	lw	$4,4($17)
	subu	$6,$6,$2
	jal	demux_read_data
	addu	$5,$2,$5

	blez	$2,$L16
	lw	$31,40($sp)

	lw	$6,56($17)
	addu	$6,$6,$2
	sw	$6,56($17)
$L6:
	lw	$5,52($17)
	jal	mad_stream_buffer
	move	$4,$20

	move	$5,$20
	jal	mad_frame_decode
	move	$4,$21

	lw	$3,13348($19)
	move	$18,$2
	beq	$3,$0,$L7
	move	$5,$3

	lw	$16,52($17)
	lw	$2,56($17)
	move	$4,$16
	addu	$16,$16,$2
	subu	$16,$16,$3
	jal	memmove
	move	$6,$16

	lw	$7,56($17)
	lui	$6,%hi($LC0)
	addiu	$6,$6,%lo($LC0)
	subu	$7,$7,$16
	li	$4,12			# 0xc
	jal	mp_msg
	li	$5,7			# 0x7

	sw	$16,56($17)
$L7:
	beq	$18,$0,$L17
	li	$2,1			# 0x1

	lw	$3,13384($19)
	beq	$3,$2,$L4
	nop

	j	$L6
	lw	$6,56($17)

$L17:
	lw	$31,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,48

$L16:
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,48

	.set	macro
	.set	reorder
	.end	read_frame
	.section	.text.init,"ax",@progbits
	.align	2
	.align	5
	.ent	init
	.type	init, @function
init:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$17,20($sp)
	sw	$31,24($sp)
	sw	$16,16($sp)
	lw	$16,160($4)
	jal	read_frame
	move	$17,$4

	sw	$2,22656($16)
	li	$5,2			# 0x2
	li	$4,1			# 0x1
	beq	$2,$0,$L21
	move	$3,$0

	lw	$2,13392($16)
	lw	$3,13404($16)
	movn	$4,$5,$2
	sw	$4,36($17)
	lw	$2,13408($16)
	srl	$3,$3,3
	sw	$3,44($17)
	sw	$5,32($17)
	sw	$2,28($17)
	li	$3,1			# 0x1
$L21:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	init
	.section	.text.control,"ax",@progbits
	.align	2
	.align	5
	.ent	control
	.type	control, @function
control:
	.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
	.mask	0x80010000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	sw	$31,20($sp)
	sw	$16,16($sp)
	sw	$7,36($sp)
	li	$2,1			# 0x1
	beq	$5,$2,$L28
	lw	$16,160($4)

	li	$2,2			# 0x2
	beq	$5,$2,$L29
	li	$3,-1			# 0xffffffffffffffff

	lw	$31,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

$L28:
	move	$4,$16
	jal	mad_synth_init
	sw	$0,22656($16)

	jal	mad_stream_init
	addiu	$4,$16,13324

	jal	mad_frame_init
	addiu	$4,$16,13388

	li	$3,1			# 0x1
	lw	$31,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

$L29:
	jal	read_frame
	nop

	sw	$2,22656($16)
	li	$3,1			# 0x1
	lw	$31,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	control
	.section	.text.uninit,"ax",@progbits
	.align	2
	.align	5
	.ent	uninit
	.type	uninit, @function
uninit:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$31,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$16,160($4)
	move	$17,$4
	jal	mad_frame_finish
	addiu	$4,$16,13388

	jal	mad_stream_finish
	addiu	$4,$16,13324

	lw	$4,160($17)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	uc_free
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	uninit
	.section	.text.preinit,"ax",@progbits
	.align	2
	.align	5
	.ent	preinit
	.type	preinit, @function
preinit:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	addiu	$sp,$sp,-32
	sw	$17,20($sp)
	move	$17,$4
	sw	$16,16($sp)
	sw	$31,24($sp)
	.set	noreorder
	.set	nomacro
	jal	uc_malloc
	li	$4,22672			# 0x5890
	.set	macro
	.set	reorder

	move	$16,$2
	li	$3,4			# 0x4
	andi	$2,$2,0x3
	subu	$3,$3,$2
	li	$2,2			# 0x2
	addiu	$6,$16,22672
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L37
	move	$4,$16
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L38
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L57
$L35:
	addiu	$5,$4,-4
	move	$2,$0
#APP
	S32I2M xr1,$2
#NO_APP
	andi	$3,$4,0x1f
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L59
	addiu	$2,$6,-31
	.set	macro
	.set	reorder

	li	$2,-32			# 0xffffffffffffffe0
	and	$2,$5,$2
	addiu	$4,$2,32
	sltu	$3,$5,$4
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L59
	addiu	$2,$6,-31
	.set	macro
	.set	reorder

$L51:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$4
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L51
	addiu	$2,$6,-31
	.set	macro
	.set	reorder

$L59:
	li	$3,-32			# 0xffffffffffffffe0
	and	$3,$2,$3
	sltu	$4,$5,$3
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L60
	addiu	$2,$6,-4
	.set	macro
	.set	reorder

	addiu	$2,$5,4
$L61:
#APP
	pref 30,0($2)
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L61
	addiu	$2,$5,4
	.set	macro
	.set	reorder

	addiu	$2,$6,-4
$L60:
	li	$3,-4			# 0xfffffffffffffffc
	and	$3,$2,$3
	sltu	$4,$5,$3
	beq	$4,$0,$L44
$L53:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$3
	bne	$2,$0,$L53
$L44:
	andi	$3,$6,0x3
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L48
	addiu	$4,$5,4
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L49
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L58
$L46:
	sw	$16,160($17)
	.set	noreorder
	.set	nomacro
	jal	mad_stream_init
	addiu	$4,$16,13324
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	mad_frame_init
	addiu	$4,$16,13388
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	mad_synth_init
	move	$4,$16
	.set	macro
	.set	reorder

	li	$2,4096			# 0x1000
	li	$3,9216			# 0x2400
	sw	$2,48($17)
	sw	$3,64($17)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	li	$2,1			# 0x1
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,32
	.set	macro
	.set	reorder

$L48:
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L46
	sb	$0,1($4)
	.set	macro
	.set	reorder

$L37:
	addiu	$4,$16,2
	sb	$0,0($16)
	.set	noreorder
	.set	nomacro
	j	$L35
	sb	$0,1($16)
	.set	macro
	.set	reorder

$L49:
	sb	$0,6($5)
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L46
	sb	$0,5($5)
	.set	macro
	.set	reorder

$L38:
	addiu	$4,$16,3
	sb	$0,0($16)
	sb	$0,1($16)
	.set	noreorder
	.set	nomacro
	j	$L35
	sb	$0,2($16)
	.set	macro
	.set	reorder

$L58:
	.set	noreorder
	.set	nomacro
	j	$L46
	sb	$0,4($5)
	.set	macro
	.set	reorder

$L57:
	addiu	$4,$16,1
	.set	noreorder
	.set	nomacro
	j	$L35
	sb	$0,0($16)
	.set	macro
	.set	reorder

	.end	preinit
	.section	.text.decode_audio,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_audio
	.type	decode_audio, @function
decode_audio:
	.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$18,24($sp)
	sw	$31,52($sp)
	sw	$fp,48($sp)
	sw	$23,44($sp)
	sw	$19,28($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$22,$4
	move	$20,$6
	move	$18,$5
	move	$21,$7
	blez	$6,$L63
	lw	$16,160($4)

	slt	$2,$7,4608
	bne	$2,$0,$L63
	li	$2,268369920			# 0xfff0000

	ori	$19,$2,0xffff
	move	$17,$0
	li	$23,-268435456			# 0xfffffffff0000000
	j	$L66
	move	$fp,$19

$L67:
	move	$4,$16
$L83:
	sw	$0,22656($16)
	jal	mad_synth_frame
	addiu	$5,$16,13388

	addiu	$3,$16,4100
	lhu	$4,4($3)
	lhu	$6,6($3)
	sll	$2,$4,1
	mul	$9,$6,$2
	li	$2,2			# 0x2
	addu	$17,$17,$9
	beq	$4,$2,$L81
	addiu	$8,$16,4108

	addiu	$5,$18,2
	li	$7,-1			# 0xffffffffffffffff
	li	$11,-268435456			# 0xfffffffff0000000
	move	$12,$19
	li	$10,268435456			# 0x10000000
$L73:
	addiu	$6,$6,-1
	bne	$6,$7,$L82
	slt	$2,$17,$20

$L84:
	beq	$2,$0,$L69
	addiu	$2,$17,4608

	slt	$2,$21,$2
	bne	$2,$0,$L69
	addu	$18,$18,$9

$L66:
	lw	$2,22656($16)
	bne	$2,$0,$L83
	move	$4,$16

	jal	read_frame
	move	$4,$22

	bne	$2,$0,$L67
	sw	$2,22656($16)

$L69:
	beq	$17,$0,$L63
	move	$2,$17

	lw	$31,52($sp)
	lw	$fp,48($sp)
	lw	$23,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,56

$L82:
	lw	$2,0($8)
	addiu	$8,$8,4
	addiu	$2,$2,4096
	slt	$3,$2,$11
	movn	$2,$11,$3
	slt	$4,$2,$10
	movz	$2,$12,$4
	sra	$2,$2,13
	sh	$2,-2($5)
	j	$L73
	addiu	$5,$5,2

$L63:
	li	$17,-1			# 0xffffffffffffffff
	move	$2,$17
	lw	$31,52($sp)
	lw	$fp,48($sp)
	lw	$23,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,56

$L81:
	addiu	$10,$18,4
	addiu	$7,$16,8720
$L72:
	addiu	$6,$6,-1
	li	$2,-1			# 0xffffffffffffffff
	beq	$6,$2,$L84
	slt	$2,$17,$20

	lw	$2,0($8)
	lw	$3,-4($7)
	addiu	$2,$2,4096
	addiu	$3,$3,4096
	slt	$4,$2,$23
	slt	$5,$3,$23
	movn	$3,$23,$5
	movn	$2,$23,$4
	li	$5,268435456			# 0x10000000
	slt	$4,$2,$5
	slt	$5,$3,$5
	movz	$2,$fp,$4
	movz	$3,$fp,$5
	sra	$2,$2,13
	sra	$3,$3,13
	sh	$2,-4($10)
	sh	$3,-2($10)
	addiu	$8,$8,4
	addiu	$7,$7,4
	j	$L72
	addiu	$10,$10,4

	.set	macro
	.set	reorder
	.end	decode_audio
	.globl	mpcodecs_ad_libmad
	.data
	.align	2
	.type	mpcodecs_ad_libmad, @object
	.size	mpcodecs_ad_libmad, 24
mpcodecs_ad_libmad:
	.word	info
	.word	preinit
	.word	init
	.word	uninit
	.word	control
	.word	decode_audio
	.section	.rodata.str1.4
	.align	2
$LC1:
	.ascii	"libmad mpeg audio decoder\000"
	.align	2
$LC2:
	.ascii	"libmad\000"
	.align	2
$LC3:
	.ascii	"A'rpi\000"
	.align	2
$LC4:
	.ascii	"libmad...\000"
	.align	2
$LC5:
	.ascii	"based on Xine's libmad/xine_decoder.c\000"
	.data
	.align	2
	.type	info, @object
	.size	info, 20
info:
	.word	$LC1
	.word	$LC2
	.word	$LC3
	.word	$LC4
	.word	$LC5
	.ident	"GCC: (GNU) 4.1.2"